https://katanaparts.com/why-is-the-katana-blade-so-sharp/
The katana, the samurai sword, is renowned for its exceptional sharpness. The katana's sharpness is the result of a combination of factors.
so sharpkatanablade
https://biblehub.com/acts/15-39.htm
Their disagreement was so sharp that they parted company. Barnabas took Mark and sailed for Cyprus,
so sharpactsdisagreement